EP0489595 - Propylene oxide purification [Right-click to bookmark this link] | |||
Former [1992/24] | Lower alkylene oxide purification | ||
[1994/35] | Status | No opposition filed within time limit Status updated on 19.04.1996 Database last updated on 02.11.2024 | Most recent event Tooltip | 07.12.2007 | Lapse of the patent in a contracting state | published on 09.01.2008 [2008/02] | Applicant(s) | For all designated states ARCO Chemical Technology, L.P. Two Greenville Crossing, 4001 Kennett Pike, Suite 238 Greenville, Delaware 19807 / US | [N/P] |
Former [1992/37] | For all designated states ARCO Chemical Technology, L.P. Two Greenville Crossing 4001 Kennett Pike, Suite 238 Greenville, Delaware 19807 / US | ||
Former [1992/24] | For all designated states ARCO CHEMICAL TECHNOLOGY INC. 3 Christina Centre Suite 902 201 N Walnut Street Wilmington Delaware 19801 / US | Inventor(s) | 01 /
Shih, T. Thomas 806 Northwinds Drive Bryn Mawr, PA 19010 / US | [1992/24] | Representative(s) | Cropp, John Anthony David, et al MATHYS & SQUIRE 100 Grays Inn Road London, WC1X 8AL / GB | [1992/24] | Application number, filing date | 91311350.2 | 05.12.1991 | [1992/24] | Priority number, date | US19900623007 | 06.12.1990 Original published format: US 623007 | [1992/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0489595 | Date: | 10.06.1992 | Language: | EN | [1992/24] | Type: | B1 Patent specification | No.: | EP0489595 | Date: | 14.06.1995 | Language: | EN | [1995/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.03.1992 | Classification | IPC: | C07D301/32, C07D303/04 | [1992/24] | CPC: |
C07D301/32 (EP,US)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1992/24] | Title | German: | Reinigung von Propylenoxid | [1994/35] | English: | Propylene oxide purification | [1994/35] | French: | Purification de l'oxyde de propylène | [1994/35] |
Former [1992/24] | Reinigung von niederen Alkylenoxiden | ||
Former [1992/24] | Lower alkylene oxide purification | ||
Former [1992/24] | Purification d'oxydes d'alcoylènes inférieurs | Examination procedure | 01.08.1992 | Examination requested [1992/40] | 09.09.1992 | Despatch of a communication from the examining division (Time limit: M06) | 21.01.1993 | Reply to a communication from the examining division | 11.03.1993 | Despatch of a communication from the examining division (Time limit: M06) | 17.09.1993 | Reply to a communication from the examining division | 26.10.1993 | Despatch of a communication from the examining division (Time limit: M07) | 06.05.1994 | Reply to a communication from the examining division | 18.07.1994 | Despatch of communication of intention to grant (Approval: Yes) | 07.12.1994 | Communication of intention to grant the patent | 18.01.1995 | Fee for grant paid | 18.01.1995 | Fee for publishing/printing paid | Opposition(s) | 15.03.1996 | No opposition filed within time limit [1996/23] | Fees paid | Renewal fee | 17.12.1993 | Renewal fee patent year 03 | 22.12.1994 | Renewal fee patent year 04 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | BE | 14.06.1995 | ES | 14.06.1995 | IT | 14.06.1995 | GB | 05.12.1995 | [2008/02] |
Former [2002/25] | BE | 14.06.1995 | |
ES | 14.06.1995 | ||
IT | 14.06.1995 | ||
GB | 05.12.1995 | ||
Former [1999/42] | BE | 14.06.1995 | |
IT | 14.06.1995 | ||
GB | 05.12.1995 | ||
Former [1997/14] | BE | 14.06.1995 | |
GB | 05.12.1995 | ||
Former [1996/06] | BE | 14.06.1995 | Documents cited: | Search | [YD]GB687991 (CELANESE CORP); | [A]US2993916 (NORMINGTON JAMES B); | [A]US4772732 (HUANG MAO Y [US], et al) | [Y] - CHEMICAL ABSTRACTS, vol. 68, no. 25, 17 June 1968, Columbus, Ohio, US; abstract no. 113713G, T. SUZUKI ET AL: 'Hydrolysis and alcoholysis by macroreticular ion-exchange resin catalysts' page 1094 ; | Examination | - Chemical Communications, 1969, page 1377 | - Ion Exchanges, K. Dorfner (Editor), W. de Gruyter (Pub) Berlin 1991, page 982 |